import BattleScene, { Button } from "../battle-scene";
import { Mode } from "./ui";
import { TextStyle, addTextObject, getEggTierTextTint } from "./text";
import MessageUiHandler from "./message-ui-handler";
import * as Utils from "../utils";
import { EGG_SEED, Egg, GachaType, getEggTierDefaultHatchWaves, getEggDescriptor, getLegendaryGachaSpeciesForTimestamp } from "../data/egg";
import { VoucherType, getVoucherTypeIcon } from "../system/voucher";
import { getPokemonSpecies } from "../data/pokemon-species";
import { addWindow } from "./ui-theme";
import { Tutorial, handleTutorial } from "../tutorial";
import { EggTier } from "../data/enums/egg-type";

const defaultText = 'Select a machine.';

export default class EggGachaUiHandler extends MessageUiHandler {
  private eggGachaContainer: Phaser.GameObjects.Container;
  private eggGachaMessageBox: Phaser.GameObjects.NineSlice;
  private eggGachaOptionsContainer: Phaser.GameObjects.Container;
  private eggGachaOptionSelectBg: Phaser.GameObjects.NineSlice;

  private gachaContainers: Phaser.GameObjects.Container[];
  private gachaKnobs: Phaser.GameObjects.Sprite[];
  private gachaHatches: Phaser.GameObjects.Sprite[];
  private gachaInfoContainers: Phaser.GameObjects.Container[];
  private eggGachaOverlay: Phaser.GameObjects.Rectangle;
  private eggGachaSummaryContainer: Phaser.GameObjects.Container;

  private voucherCountLabels: Phaser.GameObjects.Text[];

  private gachaCursor: integer;

  private cursorObj: Phaser.GameObjects.Image;
  private transitioning: boolean;
  private transitionCancelled: boolean;

  constructor(scene: BattleScene) {
    super(scene, Mode.EGG_GACHA);

    this.gachaContainers = [];
    this.gachaKnobs = [];
    this.gachaHatches = [];
    this.gachaInfoContainers = [];

    this.voucherCountLabels = [];
  }

  setup() {
    this.gachaCursor = 0;

    const ui = this.getUi();

    this.eggGachaContainer = this.scene.add.container(0, -this.scene.game.canvas.height / 6);
    this.eggGachaContainer.setVisible(false);
    ui.add(this.eggGachaContainer);

    const bg = this.scene.add.nineslice(0, 0, 'default_bg', null, 320, 180, 0, 0, 16, 0);
    bg.setOrigin(0, 0);

    this.eggGachaContainer.add(bg);

    const hatchFrameNames = this.scene.anims.generateFrameNames('gacha_hatch', { suffix: ".png", start: 1, end: 4 });
    this.scene.anims.create({
      key: 'open',
      frames: hatchFrameNames,
      frameRate: 12
    });
    this.scene.anims.create({
      key: 'close',
      frames: hatchFrameNames.reverse(),
      frameRate: 12
    });

    Utils.getEnumValues(GachaType).forEach((gachaType, g) => {
      const gachaTypeKey = GachaType[gachaType].toString().toLowerCase();
      const gachaContainer = this.scene.add.container(180 * g, 18);

      const gacha = this.scene.add.sprite(0, 0, `gacha_${gachaTypeKey}`);
      gacha.setOrigin(0, 0);

      const gachaUnderlay = this.scene.add.sprite(115, 80, `gacha_underlay_${gachaTypeKey}`);
      gachaUnderlay.setOrigin(0, 0);

      const gachaEggs = this.scene.add.sprite(0, 0, 'gacha_eggs');
      gachaEggs.setOrigin(0, 0);

      const gachaGlass = this.scene.add.sprite(0, 0, 'gacha_glass');
      gachaGlass.setOrigin(0, 0);

      const gachaInfoContainer = this.scene.add.container(160, 46);

      const gachaUpLabel = addTextObject(this.scene, 4, 0, 'UP!', TextStyle.WINDOW_ALT);
      gachaUpLabel.setOrigin(0, 0);
      gachaInfoContainer.add(gachaUpLabel);

      switch (gachaType as GachaType) {
        case GachaType.LEGENDARY:
          const pokemonIcon = this.scene.add.sprite(-20, 6, 'pokemon_icons_0');
          pokemonIcon.setScale(0.5);
          pokemonIcon.setOrigin(0, 0.5);

          gachaInfoContainer.add(pokemonIcon);
          break;
        case GachaType.MOVE:
          gachaUpLabel.setText('Move UP!');
          gachaUpLabel.setX(0);
          gachaUpLabel.setOrigin(0.5, 0);
          break;
        case GachaType.SHINY:
          gachaUpLabel.setText('Shiny UP!');
          gachaUpLabel.setX(0);
          gachaUpLabel.setOrigin(0.5, 0);
          break;
      }

      const gachaKnob = this.scene.add.sprite(191, 89, 'gacha_knob');

      const gachaHatch = this.scene.add.sprite(115, 73, 'gacha_hatch');
      gachaHatch.setOrigin(0, 0);

      gachaContainer.add(gachaEggs);
      gachaContainer.add(gachaUnderlay);
      gachaContainer.add(gacha);
      gachaContainer.add(gachaGlass);
      gachaContainer.add(gachaKnob);
      gachaContainer.add(gachaHatch);
      gachaContainer.add(gachaInfoContainer);

      gachaGlass.setAlpha(0.5);
      gachaHatch.setAlpha(0.9);

      gachaHatch.on('animationupdate', (_anim, frame) => gachaUnderlay.setFrame(frame.textureFrame === '4.png' ? 'open_hatch' : 'default'));

      this.gachaContainers.push(gachaContainer);
      this.gachaKnobs.push(gachaKnob);
      this.gachaHatches.push(gachaHatch);
      this.gachaInfoContainers.push(gachaInfoContainer);

      this.eggGachaContainer.add(gachaContainer);

      this.updateGachaInfo(g);
    });

    this.eggGachaOptionsContainer = this.scene.add.container()

    this.eggGachaOptionsContainer = this.scene.add.container((this.scene.game.canvas.width / 6), 148);
    this.eggGachaContainer.add(this.eggGachaOptionsContainer);


    this.eggGachaOptionSelectBg = addWindow(this.scene, 0, 0, 96, 112);
    this.eggGachaOptionSelectBg.setOrigin(1, 1);
    this.eggGachaOptionsContainer.add(this.eggGachaOptionSelectBg);

    const optionText = addTextObject(this.scene, 0, 0, '    x1    1 Pull\n    x10  10 Pulls\n    x1     5 Pulls\n    x1    10 Pulls\n    x1    25 Pulls\nCancel', TextStyle.WINDOW);
    optionText.setLineSpacing(12);
    this.eggGachaOptionsContainer.add(optionText);

    optionText.setPositionRelative(this.eggGachaOptionSelectBg, 16, 9);

    new Array(5).fill(null).map((_, i) => {
      const voucherType = i < 2 ? VoucherType.REGULAR : i === 2 ? VoucherType.PLUS : i === 3 ? VoucherType.PREMIUM : VoucherType.GOLDEN;
      const icon = this.scene.add.sprite(0, 0, 'items', getVoucherTypeIcon(voucherType));
      icon.setScale(0.5);
      icon.setPositionRelative(this.eggGachaOptionSelectBg, 20, 17 + i * 16);
      this.eggGachaOptionsContainer.add(icon);
    });

    this.eggGachaContainer.add(this.eggGachaOptionsContainer);

    new Array(Utils.getEnumKeys(VoucherType).length).fill(null).map((_, i) => {
      const container = this.scene.add.container((this.scene.game.canvas.width / 6) - 56 * i, 0);

      const bg = addWindow(this.scene, 0, 0, 56, 22);
      bg.setOrigin(1, 0);
      container.add(bg);

      const countLabel = addTextObject(this.scene, -48, 3, '0', TextStyle.WINDOW);
      countLabel.setOrigin(0, 0);
      container.add(countLabel);

      this.voucherCountLabels.push(countLabel);

      const iconImage = getVoucherTypeIcon(i as VoucherType);

      const icon = this.scene.add.sprite(-19, 2, 'items', iconImage);
      icon.setOrigin(0, 0);
      icon.setScale(0.5);
      container.add(icon);

      this.eggGachaContainer.add(container);
    });

    this.eggGachaOverlay = this.scene.add.rectangle(0, 0, bg.displayWidth, bg.displayHeight, 0x000000);
    this.eggGachaOverlay.setOrigin(0, 0);
    this.eggGachaOverlay.setAlpha(0);
    
    this.eggGachaContainer.add(this.eggGachaOverlay);

    this.eggGachaSummaryContainer = this.scene.add.container(0, 0);
    this.eggGachaSummaryContainer.setVisible(false);
    this.eggGachaContainer.add(this.eggGachaSummaryContainer);
    
    const gachaMessageBoxContainer = this.scene.add.container(0, 148);
    this.eggGachaContainer.add(gachaMessageBoxContainer);

    const gachaMessageBox = addWindow(this.scene, 0, 0, 320, 32);
    gachaMessageBox.setOrigin(0, 0);
    gachaMessageBoxContainer.add(gachaMessageBox);

    this.eggGachaMessageBox = gachaMessageBox;

    const gachaMessageText = addTextObject(this.scene, 8, 8, '', TextStyle.WINDOW, { maxLines: 2 });
    gachaMessageText.setOrigin(0, 0);
    gachaMessageBoxContainer.add(gachaMessageText);

    this.message = gachaMessageText;

    this.eggGachaContainer.add(gachaMessageBoxContainer);

    this.setCursor(0);
  }

  show(args: any[]): boolean {
    super.show(args);

    this.getUi().showText(defaultText, 0);

    this.setGachaCursor(1);

    for (let g = 0; g < this.gachaContainers.length; g++)
      this.updateGachaInfo(g);

    this.updateVoucherCounts();

    this.getUi().bringToTop(this.eggGachaContainer);

    this.eggGachaContainer.setVisible(true);

    handleTutorial(this.scene, Tutorial.Egg_Gacha);

    return true;
  }

  getDelayValue(delay: integer) {
    if (this.transitioning && this.transitionCancelled)
      delay = Math.ceil(delay / 5);
    return Utils.fixedInt(delay);
  }

  pull(pullCount?: integer, count?: integer, eggs?: Egg[]): void {
    this.eggGachaOptionsContainer.setVisible(false);
    this.setTransitioning(true);

    const doPull = () => {
      if (this.transitionCancelled)
        return this.showSummary(eggs);

      const egg = this.scene.add.sprite(127, 75, 'egg', `egg_${eggs[count].getKey()}`);
      egg.setScale(0.5);

      this.gachaContainers[this.gachaCursor].add(egg);
      this.gachaContainers[this.gachaCursor].moveTo(egg, 2);

      const doPullAnim = () => {
        this.scene.playSound('gacha_running', { loop: true });
          this.scene.time.delayedCall(this.getDelayValue(count ? 500 : 1250), () => {
            this.scene.playSound('gacha_dispense');
            this.scene.time.delayedCall(this.getDelayValue(750), () => {
              this.scene.sound.stopByKey('gacha_running');
              this.scene.tweens.add({
                targets: egg,
                duration: this.getDelayValue(350),
                y: 95,
                ease: 'Bounce.easeOut',
                onComplete: () => {
                  this.scene.time.delayedCall(this.getDelayValue(125), () => {
                    this.scene.playSound('pb_catch');
                    this.gachaHatches[this.gachaCursor].play('open');
                    this.scene.tweens.add({
                      targets: egg,
                      duration: this.getDelayValue(350),
                      scale: 0.75,
                      ease: 'Sine.easeIn'
                    });
                    this.scene.tweens.add({
                      targets: egg,
                      y: 110,
                      duration: this.getDelayValue(350),
                      ease: 'Back.easeOut',
                      onComplete: () => {
                        this.gachaHatches[this.gachaCursor].play('close');
                        this.scene.tweens.add({
                          targets: egg,
                          y: 200,
                          duration: this.getDelayValue(350),
                          ease: 'Cubic.easeIn',
                          onComplete: () => {
                            if (++count < pullCount)
                              this.pull(pullCount, count, eggs);
                            else
                              this.showSummary(eggs);
                          }
                        });
                      }
                    });
                  });
                }
              });
            });
          });
      };

      if (!count) {
        this.scene.playSound('gacha_dial');
        this.scene.tweens.add({
          targets: this.gachaKnobs[this.gachaCursor],
          duration: this.getDelayValue(350),
          angle: 90,
          ease: 'Cubic.easeInOut',
          onComplete: () => {
            this.scene.tweens.add({
              targets: this.gachaKnobs[this.gachaCursor],
              duration: this.getDelayValue(350),
              angle: 0,
              ease: 'Sine.easeInOut'
            });
            this.scene.time.delayedCall(this.getDelayValue(350), doPullAnim);
          }
        });
      } else
        doPullAnim();
    };

    if (!pullCount)
      pullCount = 1;
    if (!count)
      count = 0;
    if (!eggs) {
      eggs = [];
      const tierValueOffset = this.gachaCursor === GachaType.LEGENDARY ? 1 : 0;
      const tiers = new Array(pullCount).fill(null).map(() => {
        const tierValue = Utils.randInt(256);
        return tierValue >= 52 + tierValueOffset ? EggTier.COMMON : tierValue >= 8 + tierValueOffset ? EggTier.GREAT : tierValue >= 1 + tierValueOffset ? EggTier.ULTRA : EggTier.MASTER;
      });
      if (pullCount >= 25 && !tiers.filter(t => t >= EggTier.ULTRA).length)
        tiers[Utils.randInt(tiers.length)] = EggTier.ULTRA;
      else if (pullCount >= 10 && !tiers.filter(t => t >= EggTier.GREAT).length)
        tiers[Utils.randInt(tiers.length)] = EggTier.GREAT;

      const timestamp = new Date().getTime();

      for (let tier of tiers) {
        const egg = new Egg(Utils.randInt(EGG_SEED, EGG_SEED * tier), this.gachaCursor, getEggTierDefaultHatchWaves(tier), timestamp);
        if (egg.isManaphyEgg()) {
          this.scene.gameData.gameStats.manaphyEggsPulled++;
          egg.hatchWaves = getEggTierDefaultHatchWaves(EggTier.ULTRA);
        } else {
          switch (tier) {
            case EggTier.GREAT:
              this.scene.gameData.gameStats.rareEggsPulled++;
              break;
            case EggTier.ULTRA:
              this.scene.gameData.gameStats.epicEggsPulled++;
              break;
            case EggTier.MASTER:
              this.scene.gameData.gameStats.legendaryEggsPulled++;
              break;
          }
        }
        eggs.push(egg);
        this.scene.gameData.eggs.push(egg);
        this.scene.gameData.gameStats.eggsPulled++;
      }

      this.scene.gameData.saveSystem().then(success => {
        if (!success)
          return this.scene.reset(true);
        doPull();
      });
      return;
    }

    doPull();
  }

  showSummary(eggs: Egg[]): void {
    this.transitioning = false;
    this.eggGachaSummaryContainer.setVisible(true);

    const eggScale = eggs.length < 20 ? 1 : 0.5;

    this.scene.tweens.add({
      targets: this.eggGachaOverlay,
      alpha: 0.5,
      ease: 'Sine.easeOut',
      duration: 750,
      onComplete: () => {
        const rowItems = 5;
        const rows = Math.ceil(eggs.length / rowItems);
        const cols = Math.min(eggs.length, rowItems);
        const height = this.eggGachaOverlay.displayHeight - this.eggGachaMessageBox.displayHeight;
        const eggContainers = eggs.map((egg, t) => {
          const col = t % rowItems;
          const row = Math.floor(t / rowItems);
          const sliceWidth = this.eggGachaOverlay.displayWidth / (cols + 2);
          const sliceHeight = height / (rows + 2);
          const yOffset = (sliceHeight / 2 * (row / Math.max(rows - 1, 1))) + sliceHeight / 4;
          const ret = this.scene.add.container(sliceWidth * (col + 1) + (sliceWidth * 0.5), sliceHeight * (row + 1) + yOffset);
          ret.setScale(0.0001);

          const eggSprite = this.scene.add.sprite(0, 0, 'egg', `egg_${egg.getKey()}`);
          ret.add(eggSprite);

          const eggText = addTextObject(this.scene, 0, 14, getEggDescriptor(egg), TextStyle.PARTY, { align: 'center' });
          eggText.setOrigin(0.5, 0);
          eggText.setTint(getEggTierTextTint(!egg.isManaphyEgg() ? egg.tier : EggTier.ULTRA));
          ret.add(eggText);

          this.eggGachaSummaryContainer.addAt(ret, 0);
          return ret;
        });

        eggContainers.forEach((eggContainer, e) => {
          this.scene.tweens.add({
            targets: eggContainer,
            delay: this.getDelayValue(e * 100),
            duration: this.getDelayValue(350),
            scale: eggScale,
            ease: 'Sine.easeOut'
          });
        });
      }
    });
  }

  hideSummary() {
    this.setTransitioning(true);
    this.scene.tweens.add({
      targets: [ this.eggGachaOverlay, this.eggGachaSummaryContainer ],
      alpha: 0,
      duration: this.getDelayValue(250),
      ease: 'Cubic.easeIn',
      onComplete: () => {
        this.eggGachaSummaryContainer.setVisible(false);
        this.eggGachaSummaryContainer.setAlpha(1);
        this.eggGachaSummaryContainer.removeAll(true);
        this.setTransitioning(false);
        this.eggGachaOptionsContainer.setVisible(true);
      }
    });
  }

  updateGachaInfo(gachaType: GachaType): void {
    const infoContainer = this.gachaInfoContainers[gachaType];
    switch (gachaType as GachaType) {
      case GachaType.LEGENDARY:
        const species = getPokemonSpecies(getLegendaryGachaSpeciesForTimestamp(this.scene, new Date().getTime()));
        const pokemonIcon = infoContainer.getAt(1) as Phaser.GameObjects.Sprite;
        pokemonIcon.setTexture(species.getIconAtlasKey(), species.getIconId(false));
        break;
    }
  }

  consumeVouchers(voucherType: VoucherType, count: integer): void {
    this.scene.gameData.voucherCounts[voucherType] = Math.max(this.scene.gameData.voucherCounts[voucherType] - count, 0);
    this.updateVoucherCounts();
  }

  updateVoucherCounts(): void {
    this.voucherCountLabels.forEach((label, type) => {
      label.setText(this.scene.gameData.voucherCounts[type].toString());
    });
  }

  showText(text: string, delay?: number, callback?: Function, callbackDelay?: number, prompt?: boolean, promptDelay?: number): void {
    if (!text)
      text = defaultText;
    
    if (text?.indexOf('\n') === -1) {
      this.eggGachaMessageBox.setSize(320, 32);
      this.eggGachaMessageBox.setY(0);
      this.message.setY(8);
    } else {
      this.eggGachaMessageBox.setSize(320, 46);
      this.eggGachaMessageBox.setY(-14);
      this.message.setY(-6);
    }

    super.showText(text, delay, callback, callbackDelay, prompt, promptDelay);
  }

  showError(text: string): void {
    this.showText(text, null, () => this.showText(defaultText), Utils.fixedInt(1500));
  }

  setTransitioning(transitioning: boolean): void {
    if (this.transitioning === transitioning)
      return;
    this.transitioning = transitioning;
    this.transitionCancelled = false;
  }

  processInput(button: Button): boolean {
    const ui = this.getUi();

    let success = false;
    let error = false;

    if (this.transitioning) {
      if (!this.transitionCancelled && (button === Button.ACTION || button === Button.CANCEL)) {
        this.transitionCancelled = true;
        success = true;
      } else
        return false;
    } else {
      
      if (this.eggGachaSummaryContainer.visible) {
        if (button === Button.ACTION || button === Button.CANCEL) {
          this.hideSummary();
          success = true;
        }
      } else {
        switch (button) {
          case Button.ACTION:
            switch (this.cursor) {
              case 0:
                if (!this.scene.gameData.voucherCounts[VoucherType.REGULAR]) {
                  error = true;
                  this.showError('You don\'t have enough vouchers!');
                } else if (this.scene.gameData.eggs.length < 99) {
                  this.consumeVouchers(VoucherType.REGULAR, 1);
                  this.pull();
                  success = true;
                } else {
                  error = true;
                  this.showError('You have too many eggs!');
                }
                break;
              case 2:
                if (!this.scene.gameData.voucherCounts[VoucherType.PLUS]) {
                  error = true;
                  this.showError('You don\'t have enough vouchers!');
                } else if (this.scene.gameData.eggs.length < 95) {
                  this.consumeVouchers(VoucherType.PLUS, 1);
                  this.pull(5);
                  success = true;
                } else {
                  error = true;
                  this.showError('You have too many eggs!');
                }
                break;
              case 1:
              case 3:
                if ((this.cursor === 1 && this.scene.gameData.voucherCounts[VoucherType.REGULAR] < 10)
                  || (this.cursor === 3 && !this.scene.gameData.voucherCounts[VoucherType.PREMIUM])) {
                  error = true;
                  this.showError('You don\'t have enough vouchers!');
                } else if (this.scene.gameData.eggs.length < 90) {
                  if (this.cursor === 3)
                    this.consumeVouchers(VoucherType.PREMIUM, 1);
                  else
                    this.consumeVouchers(VoucherType.REGULAR, 10);
                  this.pull(10);
                  success = true;
                } else {
                  error = true;
                  this.showError('You have too many eggs!');
                }
                break;
              case 4:
                if (!this.scene.gameData.voucherCounts[VoucherType.GOLDEN]) {
                  error = true;
                  this.showError('You don\'t have enough vouchers!');
                } else if (this.scene.gameData.eggs.length < 75) {
                  this.consumeVouchers(VoucherType.GOLDEN, 1);
                  this.pull(25);
                  success = true;
                } else {
                  error = true;
                  this.showError('You have too many eggs!');
                }
                break;
              case 5:
                ui.revertMode();
                success = true;
                break;
            }
            break;
          case Button.CANCEL:
            this.getUi().revertMode();
            success = true;
            break;
          case Button.UP:
            if (this.cursor)
              success = this.setCursor(this.cursor - 1);
            break;
          case Button.DOWN:
            if (this.cursor < 5)
              success = this.setCursor(this.cursor + 1);
            break;
          case Button.LEFT:
            if (this.gachaCursor)
              success = this.setGachaCursor(this.gachaCursor - 1);
            break;
          case Button.RIGHT:
            if (this.gachaCursor < Utils.getEnumKeys(GachaType).length - 1)
              success = this.setGachaCursor(this.gachaCursor + 1);
            break;
        }
      }
    }
  
    if (success)
      ui.playSelect();
    else if (error)
      ui.playError();

    return success || error;
  }

  setCursor(cursor: integer): boolean {
    const ret = super.setCursor(cursor);

    if (!this.cursorObj) {
      this.cursorObj = this.scene.add.image(0, 0, 'cursor');
      this.eggGachaOptionsContainer.add(this.cursorObj);
    }

    this.cursorObj.setPositionRelative(this.eggGachaOptionSelectBg, 10, 17 + this.cursor * 16);

    return ret;
  }

  setGachaCursor(cursor: integer): boolean {
    let oldCursor = this.gachaCursor;

    let changed = oldCursor !== cursor;

    if (changed) {
      this.gachaCursor = cursor;

      this.setTransitioning(true);

      this.scene.tweens.add({
        targets: this.gachaContainers,
        duration: this.eggGachaContainer.visible ? 500 : 0,
        x: (_target, _key, _value, index) => 180 * (index - cursor),
        ease: 'Cubic.easeInOut',
        onComplete: () => this.setTransitioning(false)
      });
    }

    return changed;
  }

  clear(): void {
    super.clear();
    this.setGachaCursor(-1);
    this.eggGachaContainer.setVisible(false);
  }
}